package com.filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import java.io.IOException;

/**
 * @author haining
 */
public class FirstFilter implements Filter {


    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter( ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        System.out.println(1);
        filterChain.doFilter(servletRequest, servletResponse);
        System.out.println(2);
    }

    @Override
    public void destroy() {

    }

}
